2006

7.5

1969

5.1

1928

6.0

1989

5.3

1929

5.2

1987

5.5

1973

5.6

2010

5.9

1963

7.2

1993

6.4

1955

7.9

1926

7.9

1998

6.0

1953

8.0

5.3

2015

6.0

2015

4.6

2019

8.7

1990

5.8